10,36-3x=5,86 19,5-0,3x=15,9 (7-0,2x)*1,4=7,56 (6,1x-13,2)/1,7=3. Created by degtya09. matematika-ru

1,7=3...

August 2022 2 5 Report

10,36-3x=5,86
19,5-0,3x=15,9
(7-0,2x)*1,4=7,56
(6,1x-13,2)/1,7=3

nastya1657 -3x = 5,86-10,36
-3x=-4,5
x=-4,5/(-3)
x=1.5
____
19,5-0,3x=15,9
-0,3x=15,9-19,5
-0,3x=-4,4
x=-4,4/-0,3
x=14 2/3
____

3 votes Thanks 4

ilmir2006 -3х=5,86-10,36
-3х=-4,5
х=-4,5:(-3)
х=1,5
2)-0,3х=15,9-19,5
-0,3х=-3,6
х=-3,6:(-0,3)
х=12
3)7×1,4-0,2х×1,4=7,56
9,8-0,28х=7,56
-0,28х=7,56-9,8
-0,28х=-2,24
х=-2,24:(-0,28)
х=8
4)6,1х-13,2=3×1,7
6,1х=5,1+13,2
6,1х=18,3
х=18,3:6,1
х=3

2 votes Thanks 3

Answers & Comments

(1,2x+16,8)*(-13,1)=0...

(4,5x+3,6)*(-16,6)=0...

2,3+6,054 12,95-(4,91-3,63)10...

2x+9,8=13,6 10,36-3x=586...

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